North Korean nurses say goodbye to representatives from foreign humanitarian agencies after a U.N. and North Korean government program to give vitamin supplements and deworming pills to children at a nursery school in Pyongyang, North Korea on Child Health Day.

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PYONGYANG, North Korea (AP) — New international sanctions aimed at thwarting North Korea’s nuclear weapons program are having unintended consequences: halting money transfers by foreign humanitarian groups working to help those most in need and forcing some agencies to carry suitcases of cash in from outside.